aac block production plant manufacturers supplier/automated aac concrete block brick making machine price

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Product Overview


Henan Zhongke is the most professional manufacturer of autoclaved aerated concrete (AAC) plants for many years, and we can supply complete set of autoclaved aerated concrete plant with 50 000m3, 100 000m3, 150 000m3, 200 000m3, 250 000m3, 300 000m3 capacity annually, including plant design, equipments installation, technical instruction, personal training, etc, and also can design and manufacture as per clients' requirement.

Aerated Concrete Block Production Flow Chart

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Aerated Autoclaved Concrete block machine (AAC) line
(1) Material hopper(料斗) (2) Ball Mill machine(球磨机)(3)Slurry store area(料浆储存区)
(4) Pouring system structure(浇注楼结构)(5)Material silo(原料区)
(6) weighing hopper(称量斗)(7) Pouring mixer(浇注搅拌区)
(8)Frequency conversion pouring ferry car(变频浇注摆渡车)
(9)Mould(模具)(10)Reversal hydraulic system(液压反转翻转系统)
(11)Cuttingmachines(切割机) (12) Waste material mixer silo(废料搅拌储蓄罐)
(13)Transport block system(运坯系统) (14)Autoclave(蒸养釜)
(15) Pallet reuse system(底板回用系统)
(16) Packing system
(usually no need this parts)(打包吊运系统, 通常不需要)

What is AAC?

AAC is a kind of light cellular silicate products. Main material based on Silicon materials ( sand, fly ash,gangue contains silicon)and Calcium(cement and lime),mix with foaming agent (Aluminium powder), a fter batching, mixing, pouring,pre-curing,cutting,steam (autoclaved),and other process ,finally, get this light weight concrete products.

Introduction of AAC Block Production Line

1.Storing and supplying of raw materials of AAC blocks: 
All raw materials are carried into factory by trucks, such as Fly ash, sand or lime are gathered in specified raw materials field waiting for use. Sacks of cement and bulk cements stored in cement warehouse. Chemicals and aluminium powder are separately keept in chemical warehouse and aluminium warehours.When used, these raw materials are carried into workshop respectively.

2.Processing of raw materials: 
Fly ash, sand or limestone is sent into ball mills by vibration feeders and belt conveyor.Then fine powders of flyash,sand or lime are pumped into slurry tank.
Quick lime is sent by vibrating feeder and belt conveyor into jaw crushers to crush. Crushed lime is sent into lime silo by bucket elevator and then is transported into ball mills by screw conveyor. Fined materials are sent into proportion bin by screw conveyor and bucket elevator. 

3.Aerated block ingredients,stiring and casting:
Flyash (or sand or stone powder )and waste slurrry are measured in measuring tank.After the measuring and mould in their place,slurry stirring begins. Slurry temperature should reach about 40°c.

Cement ,lime,fly ash type aerated block raw material proportion:

Fly ash
Aluminum powder paste(600kg/m³)
Water&material rate

Curing temperature
Aluminum mixing time

Cement ,lime,sand type aerated block raw material proportion:

Aluminum powder paste(600kg/m³)
Water&material rate

Casting system
Aluminum mixing time

Raw material processing

(1)The cement is bulk cement, which is pneumatically transported to the cement storage bin by a bulk cement truck. The cement storage capacity considered in this design is 90t. 
 (2)After the lime and gypsum are crushed by the jaw crusher by calculation, the elevatorenters the storage bin, is fed by electromagnetic vibration, enters the mill, and the finely mixed ash is transported by the elevator to the ash storage bin for backup. 
 (3)The sand is transported into the slurry storage tank through ball milling and water wet milling into a slurry storage tank, and after the slurry specific gravity required for production is reached, it is pumped to a stirring pouring machine through a slurry pump.

4. Aerated block’s precuring and cutting

Ingredients pouring

After the materials are ready, measure them separately, mix and stir with a stirring pouring machine,
add the metered and stirred aluminum powder suspension, stir for 30-45 seconds, and then pour into the mold. 
Cutting Section
After pouring and foaming, the green body is statically stopped to a certain hardness (about 1.2-2h), that is, cutting is performed, and the green body is lifted to a steaming cart by a marshalling spreader, and then marled into a kettle
After cutting the green bodies, they can be marshalled to a certain number by driving and then enter
the autoclave for autoclaving.

1.Ball mill 2.raw material silo 3.slurry storage tank 4.material scale 5.casting mixer
6.pouring system 7.Mould 8.Cutting Machine 9.prepare to enter the autoclave 10.Autoclave 11.boiler 12.Finished product

Advantages of AAC Block 
1. Lightweight: 
The aerated concrete dry bulk density generally is 400-800kg/m3, equivalently to clay brick 1/3, normal concrete 1/5, lower than normal light-weight aggregate concrete and hollow brick, hollow clay brick. so, using aerated concrete as wall material can lighten the building self weight, and then reduce the size of building foundation, girder and pillar etc. Structure, save building material and project cost, improve the building shock resistance. 
2. Good heat preservation performance: 
The aerated concrete inside have abundance tiny air hole, so it have good heat preservation performance, its coefficient of heat conductivity generally is 0.09-0.02W/(m.k), only 1/4-1/5 for clay brick, normal concrete 1/51/10. Usually 20cm thick aerated concrete wall heat preservation performance is correspond to 49cm normal clay brick wall, thus not only save heating and cooling energy, but also improve greatly building plane using coefficient. 
3. Processability: 
The aerated concrete don't use coarse aggregate, has good processability, can be sawed, digged, drilling and pinning, also can be cohered by suitable binding material, which give favorable condition to building operations. 
4. Wide raw material source, high production efficient, low energy consumption 
The aerated concrete can be produced by sand, ore slag, fly ash, tailing ore, coal gange and quick lime, cement etc. According to local actual condition to determine variety and process, and can using industrial waste residue greatly. The aerated concrete have high production efficiency, a medium scale AAC plant, annual per capita labor efficiency can reach to 600m3, some high degree automation can reach 900-1000m3, higher than clay brick (180m3) and concrete brick (500-800m3). Its production energy consumption is low, unit product energy consumption is only 50% for same volume clay brick.Although the industrial production history of aerated concrete in China only has 40 years, its classification already developed non weight bearing block, weight bearing block, heating preservation block, wall and roof boarding, widely used in industrial and civil building, has become a new type rich vitality building material.

Main Raw Material for AAC Block 
1. Sand (fly ash, slag): meet standard JC/T622-1996, technical requirements: SiO2s >65%, 0.08mm residue on sieve <20%, CaCO3<10%, So3<2%, clay<8%, no impurity.
Lump quick lime: meet standard JC/T621-1996, technical requirements: A-CaO>65%, slacking time 8-15min, slacking temperature >65°C, burnt lime content <8%, ash content <10%, MgO <5%. 
3. Gypsum: technical requirement: Dihydrate gypsum or phosphogypsum, SO2 content >35%. 
4. Aluminium powder or aluminum paste: solids content >65%, 
5. Cement: meet standard GB175-92, 32.5R bulk cement.

Material-milling Equipments 
1.Crusher: Lime, gypsum, and such kind of bulk material need to be crushed as the first step in AAC Plant. 
 2. Ball mill: The AAC material must be fully grinded in order to make better reaction. Ball Mill is used widely, it has two types: dry and wet, can be chosen upon requirement.
Material Metering Equipments: Computer Control Automatic Metering System is commonly used as measurement of raw materials. 
4. Material mixing and casting equipments: Mixer, it’s the slurry mixing machine, also is slurry casting machine. 
5. Cutting Machine: the AAC blank is formed after casting and precuring, as the size is too large, it must be cut to achieve the required product size. 
6. Autoclave: Autoclave is a device for silicate hydration products to get physical and mechanical properties. 
7. Boiler: the boiler supports for the autoclave and preheat furnace and other facilities with heat.

AAC brick use

Packaging & Shipping

Packaging Details:We will make different packaging according to different machine sizes .standard international export packing, container, wooden box
Delivery Time:We will customize according to the actual needs of customers. Senior designers start to design the plan. After receiving the deposit, we will complete the delivery within 20 to 30 working days.
Our factory is capable of shipping large machine even more than 100 tons

Installation Site

Company Information

01. Our factory >>> 
Henan Zhongke Engineering & Technology Co.,Ltd. is specialized in large and medium-sized series of mining machinery, metallurgical machinery, building materials equipments, cement equipment and rotary kiln. R&D, production and marketing into a joint-stock enterprise, our company is headquartered in Zhengzhou Country’s High-tech Industrial Development Zone, which consists of three branches, a research and development department.
Since the establishment of our company, always adopt advanced modern management system, and focused on innovation, has brought together a number of scientific and technological elite, our company develop very fast we have over 500 employees, 29 senior engineers and more than 100 middling technicians. We have a good long-term cooperation with domestic scientific research units, have introduced advanced technology and testing system at home and abroad.
Our company pays more attention to basic managements, we constantly improve and perfect the quality management system to ensure to provide high-quality products, work site achieve fixation management, logistic achieve ABC management; our office achieve computer automatization; production technology adopt computer management; product development process design using CAD,CAPP, PROE technology. We have completed ISO9001-2000 quality certification.
Our company constantly insist on the development of new products and development investment funds for technological renovation to meet with different requirements from different countries. Our products are very popular in Africa, South America and Southeast Asia.

05.Our service >>>
Service---customers is the first!

We not only have experienced engineers and after-sales groups,but deal with the trade through internet and form our own sales network. 
1. Pre-sale services:
Act as a good adviser and assistant of clients, enable them to get rich and generous returns on their investments. 
 1>. Select equipment model; 
 2>. Design and manufacture products according to clients' special requirement; 
3>. Train technical personnel for clients. 
2. Services during the sale:
Respect clients, devote ourselves to improving the total value of clients. 
 1>. Pre-check and accept products ahead of delivery; 
 2>. Help clients to draft solving plans. 
3. After-sale services:
Provide considerate services to minimize clients' worries. 
 1>. Assist clients to prepare for the first construction scheme; 
 2>. Install and debug the equipment; 
 3>. Train the first-line operators; 
4>. Examine the equipment; 
5>. Take initiative to eliminate the troubles rapidly;
6>. Provide perfect service; 
7>. Provide technical exchanges.


Q1: How long is the warranty of the AAC production line? 
A1: Our warranty period is one year generally. 
Q2: Can l visit your factory? 
A2:Yes. We warmly welcome you to visit our factory.
We will take you to our customer site to have a real look.
We will arrange a car to pick you up at the Xinzheng International Airport. 
Q3: Do you provide equipment operation training? 
A3:Yes.We can send professional engineers to the working site for installation, adjustment,and operation training. All of our engineers have passports. 
Q4: Do you provide whole AAC production line flow chart? 
A4:Yes. Our experienced engineers are specialized in designing process flow for various project. 
Q5: Can you test our samples? 
A5:Yes.You can send your samples to us for test and analysis. 
Q6. How about price? 
A6:We are factory and are able to give you the lowest price than market one and we have a policy that “for saving time and absolutely honest business attitude". We quote as low as possible for any customer, and discount can be given according to quantity.

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